Finding the Fourth Proportional to 8,404.20, 12,594.42 and 3,470.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.20 : 12,594.42 = 3,470.76 : x
2. Step 2: Convert to fraction form
   8,404.20/12,594.42 = 3,470.76/x
3. Step 3: Cross multiply
   8,404.20x = 12,594.42 × 3,470.76
4. Step 4: Simplify right side
   8,404.20x = 43,712,209.16
5. Step 5: Solve for x
   x = 43,712,209.16/8,404.20
6. Step 6: Final answer
   x = 5,201.23